Welcome to speaklogic.org. The Speak Logic Project is a nonprofit organization that promotes better communication by helping to identify and include logic in our exchanges. Learn more about The Speak Logic Project by clicking on the problem and solution links. The Speak Logic Project provides books and software to help with the learning and understanding of rational communication. To get started now, download your choice of books and software listed below. For more details about the books and the software titles, click on the book and software links in the navigation bar. Many of the books below contain exercises that can be read more easily on paper. Click on a specific title to order the hardcopy of a book and make the reading experience that much simpler.